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Science 20 June 2003:
Vol. 300. no. 5627, pp. 1894 - 1896
DOI: 10.1126/science.300.5627.1894
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The Warped Side of Dark Matter

Robert Irion

In recent years, research has confirmed that the luminous universe--our sun, our galaxy, and everything that shines--makes up but a wee bit of all there is. Instead, the strange new recipe calls for more than one-quarter "dark matter" and two-thirds "dark energy." Weak gravitational lensing, a subtle distortion of all distant galaxies, promises the most direct way of mapping the universe we can't see.

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Science. ISSN 0036-8075 (print), 1095-9203 (online)